Figure 8

Autofluorescence of scutella after 24 h of imbibition from grains stored under controlled conditions. a-f, 1 month of storage; g-j, 9 months of storage; where a, b, g, and h at 40% RH and 7°C; c, d, i and j at 88% RH and 7°C; e and f at 88% RH and 25°C. Abbreviations: al, aleurone layer; ep, epidermis; fl, fibrous layer; p, pericarp; pc, parenchyma cells; se, central starchy endosperm. Symbols: →, modification of emission by the FL. Bars: a, b, and f: 10 μm; c-e and g-j: 20 μm.